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john-auld/openresty-lua-dump-headers.md

Created March 28, 2019 14:16
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nxinx-lua dump request headers
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openresty-lua-dump-headers.md

Basic example of lua code to dump request headers

This code will dump the request headers into the response body of an nginx location. It is intended for degugging development and not for production. The code has been tested on OpenResty.

nginx location

location /status {
   default_type text/html;
   lua_code_cache off; #enables livereload for development
   content_by_lua_file lua/status_page.lua;
}

lua file

ngx.say('<pre>' .. ngx.req.raw_header() .. '</pre>')

Sample output

GET /status HTTP/1.1
X-Forwarded-For: 192.168.1.10
X-Forwarded-Proto: https
X-Forwarded-Port: 443
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